References to A076464

Sum of squares of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly five ways.
145, 4567, 38570, 183670, 630755, 1751365, 4187092, 8957100, 17583765


2 seqfan posts

Sun Feb 15 11:44:58 CET 2009    [seqfan] Re: Sequence A031702
Sun Feb 15 09:29:20 CET 2009    [seqfan] Sequence A031702

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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